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12273 (1990 TS4)
Classification: Main-belt Asteroid          SPK-ID: 2012273
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06404673332217184 6.4739e-08  
a 2.635353116128247 2.3826e-08 AU
q 2.466567357889827 1.7017e-07 AU
i 10.0112279141464 6.4473e-06 deg
node 101.2133565326855 3.6288e-05 deg
peri 296.674076894359 6.2931e-05 deg
M 227.7026565799953 5.5012e-05 deg
tp 2457574.755644541627
(2016-Jul-05.25564454)
0.00024217 JED
period 1562.631770909209
4.28
2.1192e-05
5.802e-08
d
yr
n .2303805712273058 3.1243e-09 deg/d
Q 2.804138874366668 2.5352e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      934  
   data-arc span      9599 days (26.28 yr)  
   first obs. used      1988-03-18  
   last obs. used      2014-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52519  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:20:15  

Additional Information
 Earth MOID = 1.49397 AU 
 T_jup = 3.373 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO263459  

12273 (1990 TS4)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring (413)
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 TS4 = 1988 FR1 = 1990 UN11 = 1996 BB18 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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